diff options
| author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2013-07-22 14:32:12 +0000 |
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| committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2013-07-22 14:32:12 +0000 |
| commit | a4382a6ad151a031ba617a0c0f6574f611d4f250 (patch) | |
| tree | 577d9790ea4c606949b53aa6ff7b411e04e5e647 /src/mpfr-sassert.h | |
| parent | 25191e1212e34a5d7aaad4959bb7e4ce67966ab9 (diff) | |
| download | mpfr-a4382a6ad151a031ba617a0c0f6574f611d4f250.tar.gz | |
[src/mpfr-sassert.h] Get rid of annoying warnings
typedef 'MPFR_ASSERT_xxx' locally defined but not used
with GCC 4.8+ (better than the non-portable solution r8618). Thanks to
Jonathan Wakely: http://gcc.gnu.org/ml/gcc-help/2013-07/msg00142.html
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@8625 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'src/mpfr-sassert.h')
| -rw-r--r-- | src/mpfr-sassert.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/mpfr-sassert.h b/src/mpfr-sassert.h index 95d98b434..c2f111c89 100644 --- a/src/mpfr-sassert.h +++ b/src/mpfr-sassert.h @@ -43,11 +43,20 @@ http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., /* Default version which should be compatible with nearly all compilers */ # if !defined(MPFR_DECL_STATIC_ASSERT) +# if __MPFR_GNUC(4,8) +/* Get rid of annoying warnings "typedef '...' locally defined but not used" + (new in GCC 4.8). Thanks to Jonathan Wakely for this solution: + http://gcc.gnu.org/ml/gcc-help/2013-07/msg00142.html */ +# define MPFR_TYPEDEF_UNUSED __attribute__ ((unused)) +# else +# define MPFR_TYPEDEF_UNUSED +# endif # define MPFR_ASSERT_CAT(a,b) MPFR_ASSERT_CAT_(a,b) # define MPFR_ASSERT_CAT_(a,b) a ## b # define MPFR_STAT_STATIC_ASSERT(c) do { \ typedef enum { MPFR_ASSERT_CAT(MPFR_STATIC_ASSERT_CONST_,__LINE__) = !(c) } \ - MPFR_ASSERT_CAT(MPFR_ASSERT_,__LINE__)[!!(c) ? 1 : -1]; } while (0) + MPFR_ASSERT_CAT(MPFR_ASSERT_,__LINE__)[!!(c) ? 1 : -1] \ + MPFR_TYPEDEF_UNUSED; } while (0) # define MPFR_DECL_STATIC_ASSERT(c) \ typedef enum { MPFR_ASSERT_CAT(MPFR_STATIC_ASSERT_CONST_,__LINE__) = !(c) } \ MPFR_ASSERT_CAT(MPFR_ASSERT_,__LINE__)[!!(c) ? 1 : -1]; |